A thin, transparent polymer equipped with pressure sensors that wraps around curved surfaces like shrink wrap could transform health monitoring and diagnosis.
Takao Someya, a professor of electrical engineering and information systems at the Univ. of Tokyo, and an international team of engineers and scientists have created a pressure-sensing material made of conducting nanofibers that were designed for elasticity, transparency, and electrical conductivity. The sensor is about 8 μm thick and can measure pressure at 144 locations simultaneously.
The unique feature of the new sensing material is its ability to precisely measure pressure even after being distorted. Although conventional pressure sensors are flexible enough to conform to surfaces, they lose their ability to accurately measure pressure once they are twisted, wrinkled, or bent — making them unsuitable for monitoring complex, moving surfaces...
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